Non-chondritic distribution of the highly siderophile elements in mantle sulphides

  title={Non-chondritic distribution of the highly siderophile elements in mantle sulphides},
  author={Olivier Alard and William L. Griffin and Jean Pierre Lorand and S. Elizabeth Jackson and Suzanne Y. O'Reilly},
The abundances of highly siderophile (iron-loving) elements (HSEs) in the Earth's mantle provide important constraints on models of the Earth's early evolution. It has long been assumed that the relative abundances of HSEs should reflect the composition of chondritic meteorites—which are thought to represent the primordial material from which the Earth was formed. But the non-chondritic abundance ratios recently found in several types of rock derived from the Earth's mantle have been difficult… CONTINUE READING


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